709  
WWUS45 KMSO 212017  
WSWMSO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MISSOULA MT  
117 PM MST FRI FEB 21 2025  
 
MTZ001>003-222030-  
/O.NEW.KMSO.WW.Y.0016.250223T0600Z-250223T1500Z/  
KOOTENAI/CABINET REGION-WEST GLACIER REGION-FLATHEAD/MISSION  
VALLEYS-  
117 PM MST FRI FEB 21 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM SATURDAY TO 8 AM MST  
SUNDAY...  
 
* WHAT...FREEZING RAIN EXPECTED. TOTAL ICE ACCUMULATIONS OF A GLAZE  
TO UP TO ONE TENTH OF AN INCH ON GROUND SURFACES.  
 
* WHERE...HIGHWAY 2 KALISPELL TO LIBBY, FLATHEAD LAKE, HIGHWAY 56  
BULL LAKE ROAD, POLEBRIDGE, MARIAS PASS, HIGHWAY 37 EUREKA TO  
LIBBY, HIGHWAY 93 EUREKA TO WHITEFISH, HIGHWAY 83 BIGFORK TO SWAN  
LAKE, ESSEX, FLATHEAD VALLEY, MISSION VALLEY, POLSON, AND BAD ROCK  
CANYON.  
 
* WHEN...FROM 11 PM SATURDAY TO 8 AM MST SUNDAY.  
 
* IMPACTS...ICY CONDITIONS WILL IMPACT TRAVEL, WITH THE MOST  
DIFFICULT TRAVEL CONDITIONS ON SECONDARY, GRAVEL AND DIRT ROADWAYS.  
 
* ADDITIONAL DETAILS...COLD GROUND TEMPERATURES WILL ALLOW FOR RAIN  
TO FREEZE ON CONTACT. ELEVATED SURFACES ARE NOT EXPECTED TO  
EXPERIENCE WIDESPREAD ICE ACCUMULATIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. PREPARE FOR POSSIBLE  
POWER OUTAGES. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE  
CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.  
 
 
 
 
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